Every ecommerce order starts the same chain of work. Someone has to find the item, pack it, buy a shipping label, get the package to a carrier and tell the customer it's on the way. When that work goes well, customers don't notice it. When it doesn't, you hear about it in reviews, support tickets and refunds. This guide explains how order fulfillment works for an online store, step by step, and what changes as your order volume grows.
Order fulfillment is the process of receiving, storing, picking, packing and shipping customer orders, and handling the returns that come back. For an ecommerce brand, it begins when inventory arrives from a supplier and ends when the order reaches the customer. You can fulfill orders yourself, hire a third-party logistics provider (3PL) to do it, use a marketplace program such as Amazon FBA, or have a supplier ship each order directly through dropshipping. Most growing Shopify brands start in-house and move to a 3PL when packing orders takes more time, space or staff than they want to manage.
The Order Fulfillment Process, Step by Step
Whether the work happens in a spare room or a 3PL's warehouse, the steps are the same. What changes with volume is how much each step relies on barcode scanning and software rather than people remembering where things are.
-
Receiving
Inventory arrives from your supplier as cartons or pallets. It's counted against the packing list or advance shipping notice, checked for damage and wrong items, and recorded in the inventory system. Stock can't be sold until this step is done, so slow receiving shows up as out-of-stock products on your store.
-
Storage
Each product is given a storage location: a shelf bin for small, fast-selling items, or a pallet position for bulk stock. The location is recorded so anyone on the team can find it. Best sellers belong closest to the packing stations, because walking between shelves takes up most of a picker's time.
-
Order processing
A customer checks out on your store, and the order is sent to the warehouse system through an integration, usually within minutes. Orders on hold, such as those flagged for a fraud check or waiting on an address correction, should stay out of the queue until they're released.
-
Picking
A picker collects the items for the order. In a well-run operation each item is scanned as it's picked, so the system confirms it's the right product before it reaches the packing station. At higher volumes, orders are picked in batches, so one trip through the shelves collects items for many orders.
-
Packing
A packer chooses the box or mailer, adds protective material, inserts and any branded packaging, and seals the package. Many warehouses scan or weigh the package again at this step to catch a missing or wrong item before it ships.
-
Shipping
Shipping software compares carrier rates for the package's weight, size and destination and prints a label. Carriers collect packages at set times each day, and orders packed before the last pickup leave the same day.
-
Tracking and delivery
The tracking number is written back to your store, which sends the customer a shipping confirmation. Your available inventory drops by what shipped. From here, delivery time depends on the carrier service and the distance to the customer.
-
Returns
Returned items come back to the warehouse, where they're inspected and either restocked, set aside or written off. You get a report so you can refund or exchange the order. A slow returns process keeps sellable stock off the shelf, so it's worth measuring like any other step.
Order Fulfillment vs. Shipping vs. Logistics
These terms overlap in everyday use, but they describe different parts of the work. Knowing which one a provider means helps you compare quotes and services accurately.
Four Ways to Fulfill Ecommerce Orders
Who does the work is the biggest decision in order fulfillment. Each option balances cost, control over the customer experience, and your own time differently.
| Option | Who does the work | Best fit | Watch for |
|---|---|---|---|
| In-house | You and your staff, in your own space | Low volume, or products that need specialist handling | Your time, rent, staffing for busy periods, and shipping rates without volume discounts |
| 3PL | A third-party logistics company, in its warehouse | Brands with steady or growing volume, several sales channels or branded packaging | Integration quality, how each charge is itemized, and contract terms |
| Amazon FBA | Amazon, in its fulfillment centers | Amazon orders that benefit from Prime eligibility | Amazon fees and storage limits, and Amazon's packaging on orders from other channels |
| Dropshipping | Your supplier, from its warehouse | Testing products without buying inventory | Little control over packaging, delivery speed or stock accuracy |
Many brands combine them. A common setup for a brand selling on Shopify and Amazon is a 3PL for Shopify orders and Amazon FBA for Amazon orders, with the 3PL also preparing inventory and sending it into FBA. Our guide to what a 3PL is covers that model in more detail, and our Shopify 3PL guide explains how a 3PL connects to a Shopify store.
The Numbers That Show Fulfillment Is Working
Six numbers cover most of what matters, whether you fulfill orders yourself or through a 3PL. If a 3PL can't report them, that tells you something too.
What Order Fulfillment Costs
When a 3PL fulfills your orders, the bill is built from a handful of charges. These are common US ranges for a direct-to-consumer brand. Our 3PL pricing guide works through full monthly examples at three order volumes.
| Charge | Common range | What it covers |
|---|---|---|
| Receiving | $15–$50 per pallet, or hourly | Counting and checking inventory as it arrives |
| Storage | $15–$45 per pallet per month | Shelf and pallet space for your stock |
| Pick and pack | $2.50–$4.00 per order | Picking the first item and packing the order |
| Additional items | $0.30–$1.00 per item | Each item beyond the first in the same order |
| Packaging | $0.25–$2.00 per order | Boxes, mailers and fill, unless you supply your own |
| Returns | $2.50–$5.00 per return | Receiving, inspecting and restocking a returned order |
| Account fee or minimum | $0–$1,000+ per month | A monthly minimum or account fee, depending on the provider |
For a typical order of one or two items, these fees commonly add up to about $3.50 to $6 per order before postage. Postage is billed on top and is usually the larger cost, often $7 to $10 or more per parcel depending on weight, size and distance. That makes carrier rates and the warehouse's location as important as the per-order fee.
In-house fulfillment has costs that are easy to leave out of the calculation: packing labor beyond the hourly wage, rent for the space, shipping software, mistakes, and the owner's time. Our article on the signs you've outgrown in-house fulfillment shows a simple way to work out your current cost per order. To estimate a 3PL bill from your own numbers, use the 3PL cost calculator.
When to Outsource Order Fulfillment
No single order count makes the decision for you. These signals usually matter more than volume alone:
- Packing takes up the owner's or team's time. Hours spent packing orders are hours not spent on product, marketing or wholesale accounts.
- You're running out of space. Inventory is spreading across rooms or storage units, and finding products takes longer each week.
- Errors are increasing. Wrong items, missed orders and overselling are showing up in support tickets and reviews.
- Busy periods are hard to staff. A launch, a sale or the holiday season creates a backlog that takes days to clear.
- Your customers are far from where you ship. Shipping from one coast to the other takes longer and costs more than shipping from the center of the country.
- You sell on more than one channel. Shopify, Amazon and wholesale orders are drawing from separate stock that's hard to keep in sync.
If several of these apply, compare your current cost per order with two or three 3PL quotes. Our guide to choosing a 3PL explains how to compare them on equal terms.
How Orderfy Handles Order Fulfillment
Orderfy is a 3PL in Dallas–Fort Worth for high-volume Shopify brands. Every step above happens in one warehouse, with:
- A direct Shopify integration. Orders reach us within minutes of checkout, tracking is written back to Shopify, and stock levels update as inventory moves.
- Same-day shipping. Orders are picked, packed and handed to UPS, FedEx or USPS the same day.
- Ground delivery to both coasts in 1–3 days from the center of the US, without paying for air shipping.
- Photos of what shipped. Packed orders and pallets are photographed every day before carrier pickup, so you have proof when a customer says an order never shipped.
- A WhatsApp group with our warehouse team, so questions get answered by the people handling your orders.
- Your packaging, packed the same way every time, from a written spec for each product, plus kits, bundles and returns.
We also ship Amazon FBM orders and prepare inventory for Amazon FBA in the same building. See Shopify fulfillment at Orderfy for details.
Order Fulfillment FAQ
Order fulfillment in ecommerce is the process of getting an online order to the customer: receiving and storing inventory, picking and packing the items, shipping the package with tracking, and handling any return. It can be done by the brand itself, by a 3PL, by a marketplace such as Amazon, or by a supplier through dropshipping.
Shipping is one step of order fulfillment: moving the packed order to the customer by carrier. Order fulfillment also includes receiving inventory, storing it, picking and packing orders, keeping inventory records accurate and processing returns.
An order fulfillment center is a warehouse set up to ship individual customer orders quickly. It holds inventory on shelves and pallets, picks and packs orders as they come in from online stores, and hands packages to carriers at daily pickups. 3PLs and Amazon both run fulfillment centers.
Inside the warehouse, most ecommerce orders are picked, packed and shipped the same day or the next business day, depending on when the order arrives compared with the warehouse's daily carrier pickups. Delivery then depends on the carrier service and the distance to the customer. Ground shipping within the contiguous US typically takes one to five business days.
With a 3PL, fees for a typical one- or two-item order commonly add up to about $3.50 to $6 before postage. Most of that is pick and pack, with storage, receiving, packaging and returns making up the rest. Postage is usually billed separately and is often $7 to $10 or more per parcel. The fair comparison is total monthly cost, including postage, divided by orders shipped.
The main steps are receiving inventory, storing it, processing incoming orders, picking, packing, shipping, sending tracking to the customer, and handling returns.
Outsourcing usually makes sense when packing takes time you'd rather spend elsewhere, you're short on space, errors or late shipments are increasing, peaks are hard to staff, or you sell on several channels. Compare your current cost per order, including labor, rent and your own time, with quotes from two or three 3PLs.
Multichannel order fulfillment means shipping orders from several sales channels, such as Shopify, Amazon, Walmart and wholesale, out of one inventory pool. A 3PL that connects to each channel keeps stock counts in sync across them, so you don't oversell on one channel while another holds extra stock.
Shipping a high volume of Shopify orders?
Orderfy is a 3PL built for high-volume Shopify brands. Tell us your monthly orders, SKU count and packaging, and we'll send an itemized quote, including how postage is billed. If a 3PL doesn't make sense for you yet, we'll say so.